const num1 = 100//十进制

//b➡binary
const num2 = 0b100; //二进制


// o➡ octonary
const num3 = 0o100; //八进制

// x➡ hexadecimal
const num4 = 0x100
console.log(num1, num2, num3, num4)

//大数值的表示(ES2021 ES12)
const num = 10_000_000_000;
console.log(num)
